CN112933541A - Thrombus prevention device - Google Patents

Thrombus prevention device Download PDF

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Publication number
CN112933541A
CN112933541A CN202110416663.1A CN202110416663A CN112933541A CN 112933541 A CN112933541 A CN 112933541A CN 202110416663 A CN202110416663 A CN 202110416663A CN 112933541 A CN112933541 A CN 112933541A
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CN
China
Prior art keywords
base
crank
rotating shaft
connecting rod
prevention device
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Granted
Application number
CN202110416663.1A
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Chinese (zh)
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CN112933541B (en
Inventor
王勇
汪金龙
赵梦远
刘郑
丁厚全
刘正士
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Hefei University of Technology
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Hefei University of Technology
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Priority to CN202110416663.1A priority Critical patent/CN112933541B/en
Publication of CN112933541A publication Critical patent/CN112933541A/en
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Publication of CN112933541B publication Critical patent/CN112933541B/en
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
    • A61H1/02—Stretching or bending or torsioning apparatus for exercising
    • A61H1/0237—Stretching or bending or torsioning apparatus for exercising for the lower limbs
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/00178—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices for active exercising, the apparatus being also usable for passive exercising
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/005—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/012—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using frictional force-resisters
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/04—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable multiple steps, i.e. more than one step per limb, e.g. steps mounted on endless loops, endless ladders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/12—Driving means
    • A61H2201/1207—Driving means with electric or magnetic drive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/12—Driving means
    • A61H2201/1253—Driving means driven by a human being, e.g. hand driven
    • A61H2201/1261—Driving means driven by a human being, e.g. hand driven combined with active exercising of the patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
    • A61H2201/164—Feet or leg, e.g. pedal
    • A61H2201/1642—Holding means therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/10—Leg
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/12—Feet

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Vascular Medicine (AREA)
  • Cardiology (AREA)
  • Electromagnetism (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Rehabilitation Therapy (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Rehabilitation Tools (AREA)
  • Prostheses (AREA)

Abstract

The invention discloses a thrombus prevention device, which comprises a base; the rotating shaft supporting component is connected with one end of the base in a rotating mode; the crank sliding block mechanism comprises a crank rotating shaft, a crank, a sliding or rotating part and a connecting rod, wherein one end of the connecting rod is rotatably connected with one end of the crank, the other end of the connecting rod is rotatably connected with one end, far away from the base, of the sliding or rotating part, the crank rotating shaft is rotatably arranged at the other end of the rotating shaft supporting part, the other end of the crank is fixedly connected with one end of the crank rotating shaft, and the sliding or rotating part and the base form a sliding pair or a high pair; the pedal is arranged on one side of the connecting rod, which is far away from the base; and a first adjusting mechanism arranged between the rotation shaft supporting component and the base. The thrombus preventing device can obviously activate the muscle movement of all parts of the lower limbs of the human body to promote the blood flow, and has the characteristics of no interference to the normal state of the muscle and the pulse, adjustable shape to adapt to different requirements and accordance with the movement rule of the ankle joint of the human body.

Description

Thrombus prevention device
Technical Field
The invention relates to the technical field of sports equipment, in particular to a thrombus prevention device.
Background
At present, venous thromboembolism is a common complication after an operation, serious patients obviously influence the quality of life and even die, the prevention of venous thrombosis in China is gradually paid attention nowadays, and the effective prevention can obviously reduce the incidence rate of venous thrombosis, thereby reducing the death rate. The mainstream methods for physical prevention commonly used in clinic at present comprise an antithrombotic gradient pressure belt, intermittent inflation pressurization, electric muscle stimulation and the like.
The thrombus-resisting gradient pressure belt in the market is not used properly, which may cause skin irritation and rupture, leg edema and tourniquet effect, and arterial ischemia or venous blood reflux is easy to occur. Some external pressure applying or electrical stimulation instruments interfere with the original normal state of human muscles or pulse and the like, and noise of different degrees exists. The partial foot pump motion devices have the problems that the gait track is inconvenient to adjust and different requirements of different people cannot be well met.
Therefore, it is particularly important to develop a thrombus prevention instrument which has a reasonable structure, has small interference on the self state of the human body and can be adjusted to adapt to different requirements of different people.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a thrombus-preventing device that can significantly activate the muscle movements of all parts of the lower limbs of the human body to promote blood flow, does not interfere with the normal state of the muscles and the pulse, can be adjusted in shape to meet different requirements, and conforms to the motion law of the ankle joint of the human body.
To achieve the above and other related objects, the present invention provides a thrombus preventing device comprising:
a base;
a rotation shaft support member, one end of which is rotatably connected to the first end of the base;
the crank sliding block mechanism comprises a crank rotating shaft, a crank, a sliding or rotating part and a connecting rod, wherein one end of the connecting rod is rotatably connected with one end of the crank, the other end of the connecting rod is rotatably connected with one end, far away from the base, of the sliding or rotating part, the crank rotating shaft is rotatably arranged at the other end of the rotating shaft supporting part, the other end of the crank is fixedly connected with one end of the crank rotating shaft, and the sliding or rotating part and the base form a moving pair or a high pair;
the pedal is arranged on one side of the connecting rod, which is far away from the base;
and a first adjusting mechanism provided between the rotation shaft support member and the base, and capable of adjusting a distance between the crank rotation shaft and the base by the first adjusting mechanism.
To achieve the above and other related objects, the present invention provides a thrombus preventing device comprising:
the base comprises a base and a bottom plate positioned on one side of the base, and one end of the bottom plate is rotatably connected with the first end of the base;
a rotation shaft support member provided on the other side of the base, one end of the rotation shaft support member being connected to a first end of the base;
the crank sliding block mechanism comprises a crank rotating shaft, a crank, a sliding or rotating part and a connecting rod, wherein one end of the connecting rod is rotatably connected with one end of the crank, the other end of the connecting rod is rotatably connected with one end, far away from the base, of the sliding or rotating part, the crank rotating shaft is rotatably arranged at the other end of the rotating shaft supporting part, the other end of the crank is fixedly connected with one end of the crank rotating shaft, and the sliding or rotating part and the base form a moving pair or a high pair;
the pedal is arranged on one side of the connecting rod, which is far away from the base;
and the second adjusting mechanism is arranged between the base and the bottom plate, and can adjust the distance between the crank rotating shaft and the bottom plate through the second adjusting mechanism.
To achieve the above and other related objects, the present invention provides a thrombus preventing device comprising:
the base comprises a base and a bottom plate positioned on one side of the base, and one end of the bottom plate is rotatably connected with the first end of the base;
a swivel shaft support member fixedly connected to the base;
the crank sliding block mechanism comprises a crank rotating shaft, a crank, a sliding or rotating part and a connecting rod, wherein one end of the connecting rod is rotatably connected with one end of the crank, the other end of the connecting rod is rotatably connected with one end, far away from the base, of the sliding or rotating part, the crank rotating shaft is rotatably arranged on the rotating shaft supporting part, the other end of the crank is fixedly connected with one end of the crank rotating shaft, and the sliding or rotating part and the base form a moving pair or a high pair;
the pedal is arranged on one side of the connecting rod, which is far away from the base;
and the second adjusting mechanism is arranged between the base and the bottom plate, and can adjust the distance between the crank rotating shaft and the bottom plate through the second adjusting mechanism.
In an alternative embodiment, the thrombus prevention device further comprises a first adjustment mechanism provided between the swivel shaft support member and the base; one end of the rotating shaft supporting component is rotatably connected with the first end of the base, and the distance between the crank rotating shaft and the base can be adjusted through the first adjusting mechanism.
In an alternative embodiment, the first adjusting mechanism includes an electric push rod mechanism, a ball screw mechanism, a length adjustable rod mechanism, a support plate positioning groove mechanism or a support plate positioning hole mechanism.
In an alternative embodiment, the second adjustment mechanism comprises an electric push rod mechanism, a ball screw mechanism or a length adjustable rod mechanism.
In an alternative embodiment, the swing shaft support part includes a case, a controller, and a driving part disposed in the case, and the crank swing shaft is connected to the driving part.
In an alternative embodiment, the swing shaft support member further includes a resistance member provided in the case.
In an alternative embodiment, the resistance component comprises a friction assembly, a magnetically controlled resistance generator, or a flywheel.
In an alternative embodiment, the drive member acts as a resistance member.
In an alternative embodiment, the friction assembly comprises a friction plate and a friction plate seat which are mutually matched, the friction plate is arranged on the crank rotating shaft, and the friction plate seat is arranged at one end of the box body close to the crank rotating shaft; the magnetic control resistance generator comprises an aluminum disc flywheel and a permanent magnet assembly which are matched with each other, the aluminum disc flywheel is arranged on the crank rotating shaft, and the permanent magnet assembly is arranged at one end, close to the crank rotating shaft, of the box body.
In an alternative embodiment, the drive member comprises an electric motor, or a combination of an electric motor and a speed reducer.
In an alternative embodiment, the sliding or rotating member comprises a slider or a roller.
In an optional embodiment, the thrombus prevention device further comprises a human-computer interaction device.
In an alternative embodiment, the length of the connecting rod and/or the length of the crank are adjustable.
The thrombus prevention device provided by the invention adopts the crank-slider mechanism, can better adapt to the motion law of the lower limb, can realize ankle pump motion, activates muscles at each part of the lower limb to promote blood flow, and reduces blood coagulation into embolus.
The slider of the crank slider mechanism of the thrombus preventing device can move in the slide rail, and the stability is good.
The thrombus prevention device can adjust the distance between the crank rotating shaft and the base through the adjusting mechanism (the first adjusting mechanism), or adjust the distance between the crank rotating shaft and the base plate through the bottom adjusting device (the second adjusting mechanism), and can realize the adjustment of the height and the inclination angle of the pedal by matching with the adjustment of the length of the connecting rod and/or the length of the crank, thereby being better suitable for people with different leg lengths and different using postures such as sitting posture and lying posture, and simultaneously being in line with the reasonable lower limb motion amplitude and angle of different human bodies such as ankle joint, knee joint, hip joint and the like.
The thrombus prevention device can be cooperatively trained on two sides, one side can drive the other side to continuously move, mutual assistance of feet is realized, and active prevention, passive prevention and assistance prevention training can be performed.
The thrombus preventing device of the invention has small interference on the original normal states of human muscles or pulses and the like, is not easy to cause arterial ischemia or venous blood reflux, and has no obvious side effect.
Drawings
Fig. 1 is a schematic perspective view of a thrombus prevention device according to an embodiment of the present invention.
FIG. 2 is a side view of a thrombus prevention device provided by an embodiment of the present invention.
Fig. 3 is a sectional view taken along a-a direction in fig. 2.
Fig. 4 is a schematic perspective view of a thrombus-preventing device according to an embodiment of the present invention, in which a bottom plate and a base form an angle.
FIG. 5 is a schematic structural view of a thrombus prevention device according to an embodiment of the present invention, in which a friction member is used as a resistance member.
Fig. 6 is a schematic structural diagram of a thrombus prevention device according to an embodiment of the present invention, in which a magnetically controlled resistance generator is used as a resistance member.
Fig. 7 is a perspective view of another thrombus-preventing device according to an embodiment of the present invention.
Fig. 8 is a perspective view of another thrombus-preventing device according to another embodiment of the present invention.
FIG. 9 is a perspective view of a third thrombus preventing device according to an embodiment of the present invention.
FIG. 10 is a perspective view of a fourth thrombus prevention device according to an embodiment of the present invention.
Fig. 11 is a schematic perspective view of a fifth thrombus prevention device according to an embodiment of the present invention.
Fig. 12 is a schematic perspective view of a sixth thrombus-prevention device according to an embodiment of the present invention.
Description of the element reference numerals
1 base
2 sliding rail
3 height adjusting positioning groove
3' height adjusting positioning hole
4 crank
5 connecting rod
51 first rod body
52 second rod
6 sliding block
7 foot pedal
8 case
9 crank revolving shaft
10 first adjusting mechanism
10' electric push rod mechanism
101 drive motor
102 push rod
10' ball screw mechanism
103 drive motor or hand wheel
104 lead screw
105 first mounting base
106 ball nut
107 second support plate
10' Length-adjustable rod mechanism
108 length adjustable rod assembly
1081 first adjusting lever
1082 second adjusting lever
1083 fastening assembly
109 second mounting base
11 human-computer interaction device
12 bottom plate
121 limit notch
13 second adjusting mechanism
131 support rod
132 connecting rod
14 controller
15 friction plate seat
16 friction plate
17 permanent magnet
18 aluminum dish
19 bolt and nut fastener
20 drive unit
21 closure plate
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
Example one
Referring to fig. 1-6, the present embodiment describes a thrombus-prevention device that can significantly activate muscle movements of various parts of the lower limbs of a human body to promote blood flow, does not interfere with normal states of muscles and pulses, has an adjustable shape to meet different requirements, and conforms to the motion rules of ankle joints of the human body, and the thrombus-prevention device includes a base, a rotation shaft supporting member, a slider-crank mechanism, and a pedal and adjusting mechanism (including a first adjusting mechanism 10 and/or a second adjusting mechanism 13). Fig. 1 is a schematic perspective view of a thrombus prevention device according to this embodiment; FIG. 2 is a side view of a thrombus preventing device according to the present embodiment; FIG. 3 is a cross-sectional view taken along the line A-A in FIG. 2; FIG. 4 is a schematic perspective view of the thrombus-preventing device according to this embodiment, in which the bottom plate 12 and the base 1 are at an angle; FIG. 5 is a schematic structural view of a thrombus preventing device according to this embodiment, in which a friction member is used as a resistance member; fig. 6 is a schematic structural diagram of a thrombus prevention device provided in this embodiment, in which a magnetic resistance generator is used as a resistance member.
Referring to fig. 1 to 6, in the present embodiment, the base includes a bottom plate 12, a base 1 and a second adjusting mechanism 13, the bottom plate 12 is disposed at a bottom side of the base 1, a left end of the bottom plate 12 is rotatably connected to a left end of the base 1, the second adjusting mechanism 13 is disposed between the base 1 and the bottom plate 12, and a distance between the crank pivot 9 and the bottom plate 12 can be adjusted by the second adjusting mechanism 13. Referring to fig. 1-6, in an embodiment, the bottom plate 12 may be a rectangular frame-shaped structure, for example, and a plurality of pairs of limiting notches 121 are formed at intervals along the length direction at the top end of the side walls on both sides of the bottom plate 12; the second adjusting mechanism 13 includes a pair of support rods 131 and a connecting rod 132 connected to the same end of the pair of support rods 131, the connecting rod 132 sequentially penetrates through the pair of support rods 131 and then is arranged on a pair of limiting notches 121 on the side walls of the two sides of the bottom plate 12, the other end of the pair of support rods 131 is respectively and rotatably connected to the middle portions of the side walls of the two sides of the base 1, the positions of the limiting notches 121 arranged at the two ends of the connecting rod 132 are manually adjusted to adjust the distance between the crank rotating shaft 9 and the bottom plate 12, and meanwhile, the inclination angle of the pedal is changed accordingly. It should be noted that, in other embodiments, the second adjusting mechanism 13 may also adopt an electric push rod mechanism similar to that shown in fig. 9, a ball screw mechanism shown in fig. 10, a length adjustable rod mechanism shown in fig. 11, or a support plate positioning groove mechanism or a support plate positioning hole mechanism similar to the first adjusting structure to be described below, wherein the ball screw mechanism may adopt an electric ball screw mechanism or a manual ball screw mechanism. It should be noted that, in other embodiments, the base may only include the base 1, that is, the second adjusting mechanism 13 may not be provided, and the distance between the crank rotating shaft 9 and the base 1 is adjusted by the first adjusting mechanism 10.
Referring to fig. 1-6, in the present embodiment, the slider-crank mechanism includes a crank rotation shaft 9, a crank 4, a sliding or rotating member, and a connecting rod 5, one end of the connecting rod 5 is rotatably connected to one end of the crank 4, the other end of the connecting rod 5 is rotatably connected to one end (i.e., the top end) of the sliding or rotating member far from the base, the crank rotation shaft 9 is rotatably mounted at the top end of the rotation shaft supporting member, the other end of the crank 4 is fixedly connected to one end of the crank rotation shaft 9, and the sliding or rotating member and the base form a moving pair or a high pair. Referring to fig. 1-6, in an embodiment, the sliding or rotating member includes two sliding blocks 6, the crank 4 includes two, the connecting rods 5 includes two connecting rods 5, one end of each connecting rod 5 is rotatably connected to one end of the crank 4 on the same side, the other end of each connecting rod 5 is rotatably connected to the top end of the sliding block 6 on the same side, a crank rotating shaft 9 is rotatably mounted at the top end of the rotating shaft supporting member, the other end of each crank 4 is fixedly connected to one end of the crank rotating shaft 9, a moving pair is formed between each sliding block 6 and a sliding rail 2 disposed on the base 1, and the sliding blocks 6 can move in the sliding rails 2, so that the stability is good. It is understood that in other embodiments, a roller may be used instead of the sliding block 6 as the sliding or rotating member, and the roller may form a high pair with the base 1, and the sliding rail 2 does not need to be disposed on the base 1.
Referring to fig. 1 to 6, in the present embodiment, a foot pedal for stepping is disposed on a side of the connecting rod 5 away from the base. By way of example, the footrests comprise two, one being provided on each side of a pair of links 5 remote from the base.
Referring to fig. 1 to 6, in the present embodiment, the bottom end of the rotation shaft supporting part is rotatably connected to the left end of the base through a revolute pair, the rotation shaft supporting part includes a case 8, a controller 14 and a driving part 20, the controller 14 and the driving part 20 are disposed in the case 8, the crank rotation shaft 9 is connected to the driving part 20, and the controller 14 is connected to the driving part 20. The driving member 20 may be, for example, an electric motor, or a combination of an electric motor and a speed reducer, or a flywheel. It should be noted that, in other embodiments, the controller 14 may be disposed at other suitable positions of the thrombus prevention device.
Referring to fig. 1 to 6, in the present embodiment, the first adjusting mechanism 10 is disposed between the rotation shaft supporting member and the base 1 of the base, and the distance between the crank rotation shaft 9 and the base 1 of the base can be adjusted by the first adjusting mechanism 10. In one embodiment, the middle of the base 1 is provided with a height adjusting positioning groove 3 along the length direction thereof; and a supporting plate structure disposed between the rotation shaft supporting part and the base 1 of the base, the supporting plate structure including a first supporting plate, and a top fixing plate and a bottom fixing plate hinged to both ends of the first supporting plate, the top fixing plate being fixed to a middle portion of a bottom surface of the case 8 of the rotation shaft supporting part by welding or bolting, for example, and the bottom fixing plate being connectable to the height adjusting positioning groove 3 of the base 1 by a bolt and nut fastener 19. The height adjusting positioning groove 3 and the supporting plate structure jointly form the first adjusting mechanism 10, and the angle between the box body 8 and the base 1 is adjusted by manually adjusting the installation position of the bottom fixing plate on the height adjusting positioning groove 3, so that the purposes of adjusting the distance between the crank rotating shaft 9 and the base 1 of the base and changing the inclination angle of the pedal are achieved. In other embodiments, the second adjusting mechanism 13 may also adopt an electric push rod mechanism as shown in fig. 9, a ball screw mechanism as shown in fig. 10, or a length adjustable rod mechanism as shown in fig. 11, wherein the ball screw mechanism may adopt an electric ball screw mechanism or a manual ball screw mechanism.
It should be noted that in other embodiments, the thrombus prevention device may include only the first adjustment mechanism 10 or only the second adjustment mechanism. Wherein, when the thrombus prevention device includes only the second adjustment structure, the base end of the rotation shaft support member is fixed to the first end (left end in fig. 1) of the base 1, that is, a revolute pair is not provided between the base end of the rotation shaft support member and the first end of the base 1.
Referring to fig. 5 and 6, in the present embodiment, the rotation shaft supporting part further includes a resistance part disposed in the box 8, and the resistance part includes a friction assembly, a magnetic resistance generator, or a flywheel. As shown in fig. 5, the resistance unit is a friction assembly including a friction plate 16 and a friction plate seat 15 which are engaged with each other, the friction plate 16 is mounted on the crank rotating shaft 9, the friction plate seat 15 is mounted on one end of the case 8 close to the crank rotating shaft 9, and the controller 14 is controlled to tighten or loosen the friction plate 16 and the friction plate seat 15 to adjust the magnitude of the motion resistance by operating a human-machine interaction device 11 which will be described later. As shown in fig. 6, the resistance component is a magnetic resistance generator, the magnetic resistance generator comprises an aluminum disc 18 flywheel and a permanent magnet 17 assembly which are matched with each other, the aluminum disc 18 flywheel is mounted on the crank rotating shaft 9, the permanent magnet 17 assembly is mounted at one end of the box body 8 close to the crank rotating shaft 9, the permanent magnet 17 and the aluminum disc 18 form an eddy current generated by the magnetic induction lines between the permanent magnets 17 cut by the aluminum disc 18 flywheel of the magnetic resistance generator, and the resistance can be adjusted by operating the human-computer interaction device 11 to control the controller 14 to adjust the distance between the aluminum disc 18 and the permanent magnet 17.
It should be noted that in other embodiments, the friction assembly or the magnetically controlled resistance generator may not be specifically provided as the resistance member, but the driving member 20 may be directly employed as the resistance member. Taking the driving component 20 adopting a motor or a combination of the motor and a speed reducer as an example, direct current not greater than rated current of the motor can be input into the motor, so that the motor is in an energy consumption braking state and becomes a resistance source.
Referring to fig. 1-6, in the present embodiment, the length of the connecting rod 5 and/or the length of the crank 4 can be adjusted, and the length of the connecting rod 5 and/or the crank 4 can be adjusted to assist in adjusting the inclination angle of the pedals. In a specific embodiment, the length of the connecting rod 5 is adjustable, the connecting rod 5 includes a first rod 51 and a second rod 52 connected to each other, the relative position of the first rod 51 and the second rod 52 is adjustable and fixed by a fastening bolt or a locking knob, and the length of the connecting rod 5 can be adjusted by adjusting the relative position of the first rod 51 and the second rod 52. In a specific embodiment, the length adjustment of the crank 4 can be realized by replacing cranks with different length specifications.
In this embodiment, the crank may be a rotating disc.
Referring to fig. 1-6, in the present embodiment, the thrombus prevention device further includes a human-computer interaction device 11, for example, the human-computer interaction device 11 may be disposed on the top surface of the box 8, and the human-computer interaction device 11 may be connected to a controller 14. The human-computer interaction device 11 may be a remote controller or a touch screen, for example.
When the thrombus prevention device of the present embodiment is used, a user can take various postures such as a sitting posture, a lying posture, or a standing posture. The distance between the crank rotating shaft 9 and the base 1 can be adjusted through the first adjusting mechanism 10, and/or the distance between the crank rotating shaft 9 and the base plate 12 can be adjusted through the second adjusting mechanism 13, and the pedal height and the inclination angle can be adjusted by adjusting the length of the connecting rod 5 and/or the length of the crank 4 in a matching manner, so that the pedal device can be better suitable for people with different leg lengths and different using postures, and simultaneously can meet the reasonable lower limb motion amplitude and angle of ankle joints, knee joints, hip joints and the like of different human bodies
The thrombus prevention device of the present embodiment may include three training modes, which are a passive prevention training mode, an assisted prevention training mode, and an active prevention training mode.
During passive prevention training, all power sources come from the driving part 20, feet are supported on the pedals of the connecting rod 5, the connecting rod 5 drives the lower limbs to do rotary motion, the driving part 20 drives the crank 4 to drive the crank slider mechanism to move, the driving part 20 can be specifically a motor or a motor and speed reducer combined part, and when the man-machine interaction device 11 is operated, the controller 14 receives signals to control the rotating speed of the motor to realize graded adjustment.
During the power-assisted prevention training, between the passive prevention training and the active prevention training, a power source is partially from a driving part 20, and partially from the lower limbs of a human body, the human-computer interaction device 11 is operated to enable the controller 14 to control the driving part 20 to be converted into a power-assisted prevention training mode, and an intelligent induction system (comprising a sensor and a control circuit) of the controller 14 is started to complete the power-assisted training in cooperation with the lower limbs of the human body so as to activate the muscles of the lower limbs and promote the blood flow.
When active prevention training is carried out, the lower limbs of a human body are used as power sources to drive the crank-slider mechanism to move, the man-machine interaction device 11 can be adjusted to control the controller 14 to set training resistance, and the resistance part can be specifically a motor or a motor and speed reducer combined part or a friction assembly or a magnetic control resistance generator and the like. When the motor or the motor and speed reducer combined component is used as a resistance component, direct current which is not more than the rated current of the motor is input into the motor, so that the motor is in an energy consumption braking state and becomes a resistance source; as shown in fig. 5, the friction plate seat 15 and the friction plate 16 constitute the resistance component, and the motion resistance is adjusted by operating the human-computer interaction device 11 to control the controller 14 to tighten or loosen the friction plate 16 and the friction plate seat 15; referring to fig. 6, the permanent magnet 17 and the aluminum plate 18 form an aluminum plate 18 flywheel of the magnetic resistance generator, which cuts magnetic induction lines between the permanent magnets 17 to generate eddy currents, so as to form resistance, and the man-machine interaction device 11 is operated to control the controller 14 to adjust the distance between the aluminum plate 18 and the permanent magnet 17 to adjust the resistance. The resistance with different magnitudes can activate the muscles of the lower limbs of the human body to different degrees, and the movement is graded to promote the blood circulation.
Example two
Fig. 7 and 8 show another thrombus preventing device. Compared with the thrombus prevention device of the first embodiment, the difference is that the height adjusting positioning grooves 3 on the base 1 of the first embodiment are replaced by a plurality of height adjusting positioning holes 3' arranged at intervals along the length direction of the base 1, and other structures are similar, so that the description is not repeated. In this embodiment, the supporting plate structure also includes a first supporting plate and a top fixing plate and a bottom fixing plate hinged to both ends of the first supporting plate, the top fixing plate can be fixed to the middle of the bottom surface of the case 8 of the rotation shaft supporting part by welding or bolting, for example, the bottom fixing plate is connected to any one of the height adjusting positioning holes 3 ' on the base 1 by a bolt and nut fastener 19, the height adjusting positioning hole 3 ' and the supporting plate structure together form a supporting plate positioning hole mechanism as the first adjusting mechanism 10, and the distance between the crank rotation shaft 9 and the base 1 of the base is adjusted by installing the bottom fixing plate at different height adjusting positioning holes 3 '.
EXAMPLE III
FIG. 9 shows a third thrombus prevention device of the present invention. Compared with the thrombus prevention device of the first embodiment, the thrombus prevention device of the first embodiment differs in that an electric putter mechanism 10' is used instead of the first adjusting mechanism 10 of the first embodiment, and other structures are basically the same, and therefore, the description thereof will not be repeated.
As shown in fig. 9, in the embodiment, the electric push rod mechanism 10 ' includes a driving motor 101 and a push rod 102, the driving motor 101 can be installed on the surface of the base 1 near the right end, the push rod 102 is installed on the driving motor 101 in an inclined manner, the free end of the push rod 102 is installed in the middle of the bottom surface of the box 8, so that the driving motor 101 can push the push rod 102 to move to adjust the angle between the box 8 and the base 1, thereby achieving the purpose of adjusting the distance between the crank rotating shaft 9 and the base 1 of the base and changing the inclination angle of the pedal, and the electric push rod mechanism 10 ' does not need to provide a height adjusting positioning slot 3 or a height adjusting positioning slot 3 ' on the base.
Example four
FIG. 10 shows a fourth thrombus preventing device of the present invention. The difference from the thrombus prevention device of the first embodiment is that the ball screw mechanism 10 ″ is used instead of the first adjustment mechanism 10 of the first embodiment, and the other structures are basically the same, and therefore, the description thereof will not be repeated.
As shown in fig. 10, in this embodiment, the ball screw mechanism 10 ″ includes a driving motor or handwheel 103, a screw 104, a ball nut 106, a first mounting seat 105 and a second supporting plate 107, the first mounting seat 105 is mounted in the middle of the base 1 and is arranged along the length direction of the base 1, the screw 104 is rotatably mounted on the first mounting seat 105, the screw 104 is also arranged along the length direction of the base 1, the ball nut 106 is sleeved on the screw 104, one end of the second supporting plate 107 is hinged to the top end of the ball nut 106, the other end of the second supporting plate 107 is hinged to the middle of the bottom surface of the box 8, the driving motor or handwheel 103 is mounted on the base 1, an output shaft of the driving motor or handwheel 103 is in transmission connection with the screw 104, the driving motor or handwheel 103 can drive the screw 104 to rotate, the rotation of the screw 104 can change the position of the ball nut 106 on the screw 104, the position change of the ball nut 106 can adjust the angle between the box 8 and the base 1, so as to achieve the purpose of adjusting the distance between the crank rotating shaft 9 and the base 1 of the base and changing the inclination angle of the pedal, and because of the ball screw mechanism 10 ', the height adjusting positioning groove 3 or the height adjusting positioning hole 3' does not need to be arranged on the base.
EXAMPLE five
FIG. 11 shows a fourth thrombus prevention device of the present invention. Compared with the thrombus prevention device of the first embodiment, the thrombus prevention device of the first embodiment is different in that the length-adjustable rod mechanism 10' ″ is adopted to replace the first adjusting mechanism 10 of the first embodiment, and other structures are basically the same, so that the description is not repeated.
As shown in fig. 11, in the present embodiment, the length-adjustable bar mechanism 10' ″ includes a length-adjustable bar assembly 108 and a second mounting seat 109, and the length-adjustable bar assembly 108 includes a first adjusting bar 1081, a second adjusting bar 1082 and a fastening assembly 1083; the second mounting seat 109 is fixedly mounted on the surface of the base 1 near the right end, one end of the first adjusting rod 1081 far away from the second adjusting rod 1082 forms a revolute pair with the middle of the bottom surface of the box body 8, one end of the second adjusting rod 1082 far away from the first adjusting rod 1081 forms a revolute pair with the second mounting seat 109, the first adjusting rod 1081 and the second adjusting rod 1082 are partially overlapped, and are both provided with a hole and groove structure, the length of the overlapped part of the first adjusting rod 1081 and the second adjusting rod 1082 can be conveniently adjusted through the hole and groove structure of the first adjusting rod 1081 and the second adjusting rod 1082 and is fixed through a fastening component 1083 (such as a locking knob or a bolt and nut component), so as to change the length of the length-adjustable rod assembly 108, and the length of the length-adjustable rod assembly 108 changes the angle between the adjustable box body 8 and the base 1, so as to adjust the distance between the crank rotating shaft 9 and the base 1 of the base and change the inclination angle The purpose of the degree.
EXAMPLE six
FIG. 12 shows a fifth thrombus prevention device of the present invention. The thrombus preventing device according to the first embodiment is different from the thrombus preventing device according to the first embodiment in that the first adjusting mechanism 10 is not provided, the housing 8 of the pivot shaft supporting member is fixedly attached to the base 1, and other structures are substantially the same, and therefore, a description thereof will not be repeated. Specifically, the box 8 of the pivot shaft support member and the base 1 may be fixedly connected, for example, by a wedge-shaped blocking plate, so that the box 8 of the pivot shaft support member and the base 1 form a certain included angle therebetween.
In conclusion, the thrombus prevention device disclosed by the invention adopts the crank-slider mechanism, can better adapt to the motion law of the lower limb, can realize ankle pump motion, activates muscles at all parts of the lower limb to promote blood flow, and reduces blood coagulation into embolus. The slider of the crank slider mechanism of the thrombus preventing device can move in the slide rail, and the stability is good. The thrombus prevention device can adjust the distance between the crank rotating shaft and the base through the adjusting mechanism (the first adjusting mechanism), or adjust the distance between the crank rotating shaft and the base plate through the bottom adjusting device (the second adjusting mechanism), and can realize the adjustment of the height and the inclination angle of the pedal by matching with the adjustment of the length of the connecting rod and/or the length of the crank, thereby being better suitable for people with different leg lengths and different using postures such as sitting posture and lying posture, and simultaneously being in line with the reasonable lower limb motion amplitude and angle of different human bodies such as ankle joint, knee joint, hip joint and the like. The thrombus prevention device can be cooperatively trained on two sides, one side can drive the other side to continuously move, mutual assistance of feet is realized, and active prevention, passive prevention and assistance prevention training can be performed. The thrombus preventing device of the invention has small interference on the original normal states of human muscles or pulses and the like, is not easy to cause arterial ischemia or venous blood reflux, and has no obvious side effect.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
In the description herein, numerous specific details are provided, such as examples of components and/or methods, to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, assemblies, methods, components, materials, parts, and/or the like. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of embodiments of the invention.
Reference throughout this specification to "one embodiment," "an embodiment," or "a specific embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment, and not necessarily in all embodiments, of the present invention. Thus, appearances of the phrases "in one embodiment," "in an embodiment," or "in a specific embodiment" in various places throughout this specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, or characteristics of any specific embodiment of the present invention may be combined in any suitable manner with one or more other embodiments. It is to be understood that other variations and modifications of the embodiments of the invention described and illustrated herein are possible in light of the teachings herein and are to be considered as part of the spirit and scope of the present invention.
It will also be appreciated that one or more of the elements shown in the figures can also be implemented in a more separated or integrated manner, or even removed for inoperability in some circumstances or provided for usefulness in accordance with a particular application.
Additionally, any reference arrows in the drawings/figures should be considered only as exemplary, and not limiting, unless otherwise expressly specified. Further, as used herein, the term "or" is generally intended to mean "and/or" unless otherwise indicated. Combinations of components or steps will also be considered as being noted where terminology is foreseen as rendering the ability to separate or combine is unclear.
As used in the description herein and throughout the claims that follow, "a," "an," and "the" include plural references unless otherwise indicated. Also, as used in the description herein and throughout the claims that follow, the meaning of "in …" includes "in …" and "on …" unless otherwise indicated.
The above description of illustrated embodiments of the invention, including what is described in the abstract of the specification, is not intended to be exhaustive or to limit the invention to the precise forms disclosed herein. While specific embodiments of, and examples for, the invention are described herein for illustrative purposes only, various equivalent modifications are possible within the spirit and scope of the present invention, as those skilled in the relevant art will recognize and appreciate. As indicated, these modifications may be made to the present invention in light of the foregoing description of illustrated embodiments of the present invention and are to be included within the spirit and scope of the present invention.
The systems and methods have been described herein in general terms as the details aid in understanding the invention. Furthermore, various specific details have been given to provide a general understanding of the embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, assemblies, methods, components, materials, parts, and/or the like. In other instances, well-known structures, materials, and/or operations are not specifically shown or described in detail to avoid obscuring aspects of embodiments of the invention.
Thus, although the present invention has been described herein with reference to particular embodiments thereof, a latitude of modification, various changes and substitutions are intended in the foregoing disclosures, and it will be appreciated that in some instances some features of the invention will be employed without a corresponding use of other features without departing from the scope and spirit of the invention as set forth. Thus, many modifications may be made to adapt a particular situation or material to the essential scope and spirit of the present invention. It is intended that the invention not be limited to the particular terms used in following claims and/or to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include any and all embodiments and equivalents falling within the scope of the appended claims. Accordingly, the scope of the invention is to be determined solely by the appended claims.

Claims (10)

1. A thrombus prevention device, comprising:
a base;
a rotation shaft support member, one end of which is rotatably connected to the first end of the base;
the crank sliding block mechanism comprises a crank rotating shaft, a crank, a sliding or rotating part and a connecting rod, wherein one end of the connecting rod is rotatably connected with one end of the crank, the other end of the connecting rod is rotatably connected with one end, far away from the base, of the sliding or rotating part, the crank rotating shaft is rotatably arranged at the other end of the rotating shaft supporting part, the other end of the crank is fixedly connected with one end of the crank rotating shaft, and the sliding or rotating part and the base form a moving pair or a high pair;
the pedal is arranged on one side of the connecting rod, which is far away from the base;
and a first adjusting mechanism provided between the rotation shaft support member and the base, and capable of adjusting a distance between the crank rotation shaft and the base by the first adjusting mechanism.
2. A thrombus prevention device, comprising:
the base comprises a base and a bottom plate positioned on one side of the base, and one end of the bottom plate is rotatably connected with the first end of the base;
a rotation shaft support member provided on the other side of the base, one end of the rotation shaft support member being connected to the first end of the base, or the rotation shaft support member being fixedly connected to the base;
the crank sliding block mechanism comprises a crank rotating shaft, a crank, a sliding or rotating part and a connecting rod, wherein one end of the connecting rod is rotatably connected with one end of the crank, the other end of the connecting rod is rotatably connected with one end, far away from the base, of the sliding or rotating part, the crank rotating shaft is rotatably arranged at the other end of the rotating shaft supporting part, the other end of the crank is fixedly connected with one end of the crank rotating shaft, and the sliding or rotating part and the base form a moving pair or a high pair;
the pedal is arranged on one side of the connecting rod, which is far away from the base;
and the second adjusting mechanism is arranged between the base and the bottom plate, and can adjust the distance between the crank rotating shaft and the bottom plate through the second adjusting mechanism.
3. The thrombus prevention device according to claim 2, further comprising a first adjustment mechanism provided between the swivel shaft support member and the base; one end of the rotating shaft supporting component is rotatably connected with the first end of the base, and the distance between the crank rotating shaft and the base can be adjusted through the first adjusting mechanism.
4. The thrombus prevention device according to any one of claims 1 to 3, wherein the rotation shaft support member comprises a case, a controller, and a driving member disposed in the case, the crank rotation shaft being connected to the driving member.
5. The thrombus prevention device of claim 4, wherein the rotational shaft support member further comprises a resistance member disposed within the housing, the resistance member comprising a friction assembly, a magnetically controlled resistance generator, or a flywheel.
6. A thrombus prevention device according to claim 4, wherein the driving member functions as a resistance member.
7. The thrombus prevention device according to claim 1 or 3, wherein the first adjustment mechanism comprises an electric push rod mechanism, a ball screw mechanism or a length-adjustable rod mechanism, a support plate positioning groove mechanism or a support plate positioning hole mechanism.
8. The thrombus prevention device according to claim 2, wherein the second adjustment mechanism comprises an electric push rod mechanism, a ball screw mechanism, a length-adjustable rod mechanism, a support plate positioning groove mechanism, or a support plate positioning hole mechanism.
9. A thrombus prevention device according to any one of claims 1 to 3, wherein the sliding or rotating member comprises a slider or a roller.
10. A thrombus prevention device according to any one of claims 1 to 3, wherein the length of the link and/or the length of the crank is adjustable.
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